//
//  NSMutableArray+Swizzling.h
//  RuntimeDemo
//
//  Created by huangyibiao on 16/1/12.
//  Copyright © 2016年 huangyibiao. All rights reserved.
//

#import <Foundation/Foundation.h>

extern NSString *const NotificationArrayExceptionName;

@interface NSArray (Swizzling)

//- (void)hdf_safeRemoveObjectAtIndex:(NSUInteger)index;

/*
 * return value:
 * 0  : is equal
 * -1 : less
 * +1 : more or left after minus
 */
- (NSInteger)compare:(NSArray *)arr;

@end
